Question

Cum se descompune in factori x la a doua -6x+5 ...va rog repede

Answer 1

x la a doua -x - 5x +5
acum dai factor comun intre primii doi sii ultimii doi :
x(x-1) -5(x-1) care este egal cu (x-1)(x-5)
Am folosit metoda spargerilor .

Answer 2

$\displaystyle x^2-6x+5=x^2-x-5x+5=x(x-1)-5(x-1)=(x-1)(x-5)$